Cutter bit



FIG. 1 is a front elevational view of a cutting bit showing my new design; the rear being a mirror image thereof;

FIG. 2 is a side elevational view taken from the right of FIG. 1; the side opposite being a mirror image thereof;

FIG. 3 is a top plan view thereof; and

FIG. 4 is an enlarged perspective view thereof. 

The ornamental design for a cutter bit, as shown and described. 